Mathematics
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All Questions Answers
Score Newest
answer
50
Do powers of 256 all end by 6 and if so, how to prove it?
Feb 10, 2019
question
17
Are logarithms of prime numbers quadratically independent over $\mathbb Q$?
Mar 22, 2019
question
12
Exponential integral: something is wrong.
Dec 18, 2015
question
12
A nice combinatorial identity: $\sum_{k=1}^{n-1}\frac{\binom{k-1}{n-k-1}+\binom{k}{n-k-1}}{\binom nk}=1$
May 21, 2020
answer
12
Primes $p_i$ such that $\sin(\frac{\pi}{n})\sin(\frac{p_1\pi}{n})\cdots\sin(\frac{p_k\pi}{n})$ is rational
May 12, 2018
question
11
Is there a less-trivial integer function with described properties?
Jan 31, 2018
answer
11
Equality of two elliptic integrals
Mar 6, 2021
question
10
Unexpected result on the number of permutations with a restriction.
Jan 18, 2021
answer
10
Evaluate $\sum_{n,k} \binom{n}{k}^{-1} $
May 16, 2020
answer
10
Without using a calculator, is $\sqrt[8]{8!}$ or $\sqrt[9]{9!}$ greater?
May 1, 2018
Top Meta posts
3
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11
Questions edited in such a way that they cannot be recognized
4
The grace period for editing the posts.
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12
How was a government formed in Israel with only 60 supporting votes, rather than 61?
11
What does the December 8th deadline mean for the certification of the results of the Electoral College?
9
Can Congress reject presidential electoral votes? What majority is required and can the decision be reverted?
8
How to prevent Mathematica from complete evaluation of special functions?
8
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